Maintenance Manual
190-02472-02
G3X Touch EFIS Part 23 AML STC
Revision 2
Page 56
5.12.6.3 Aircraft Harness Connector P243
The aircraft harness connector P243 is a 37-socket D-sub plug connector and interfaces to the J243
connector on the GEA. A pinout arrangement of J243 is shown in Figure 5-19 and connector pin functions
are shown in Table 5-23.
Figure 5-19 – View of J243Connector on the GEA 24
Table 5-23 – P243/J243 Pin Functions
PIN
PIN NAME
I/O
1
FUEL PRESS GND
--
2
FUEL PRESS RX
IN
3
FUEL PRESS XDCR +12V
OUT
4
FUEL PRESS XDCR +5V
OUT
5
RPM 2 GND
--
6 RPM
2
IN
7
RPM 1 GND
--
8 RPM
1
IN
9
RPM 1 +12V
OUT
10
RPM 2 +12V
OUT
11 RESERVED
--
12
MANIFOLD PRESS GND
--
13
MANIFOLD PRESS RX
IN
14
MANIFOLD PRESS XDCR +12V
OUT
15 MANIFOLD
PRESS XDCR +5V
OUT
16
OIL PRESS GND
--
17
OIL PRESS RX
IN
18
OIL PRESS XDCR +12V
OUT
19
OIL PRESS XDCR +5V
OUT
20
FUEL FLOW 1 GND
--
21
FUEL FLOW 2 RX
IN
22
FUEL FLOW 2 GND
--
23
FUEL FLOW 1 RX
IN
24
FUEL FLOW 1 XDCR +12V
OUT
25
FUEL FLOW 2 XDCR +12V
OUT
26 RESERVED
--
27 RESERVED
--
28
TIT 2 LO
IN
29
TIT 2 HI
IN
30
TIT 1 LO or CARBURETOR TEMP LO
IN
31
TIT 1 HI or CARBURETOR TEMP HI
IN
32
OIL TEMP LO
IN
33
OIL TEMP HI
IN
34
BUS 2 AMPS LO
IN
35
BUS 2 AMPS HI
IN
36
BUS 1 AMPS LO
IN
37
BUS 1 AMPS HI
IN
